<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>树组件</title>
    <link rel="stylesheet" href="/layui/css/layui.css">
</head>
<body>
<div id="test1"></div>
<script src="/layui/layui.js"></script>
<script>
    layui.use('tree', function(){
        var tree = layui.tree;

        //渲染
        var inst1 = tree.render({
            elem: '#test1'  //绑定元素
            ,data: [{
                title: '江西' //一级菜单
                ,children: [{
                    title: '南昌' //二级菜单
                    ,children: [{
                        title: '高新区' //三级菜单
                        //…… //以此类推，可无限层级
                    }]
                }]
            },{
                title: '陕西' //一级菜单
                ,children: [{
                    title: '西安' //二级菜单
                }]
            }],click: function(obj){
                alert(obj.data.title); //得到当前点击的节点数据

            }
        });

    });
</script>
</body>
</html>